12021133213213 has 8 divisors (see below), whose sum is σ = 12346122604640. Its totient is φ = 11696148763920.

The previous prime is 12021133213207. The next prime is 12021133213247. The reversal of 12021133213213 is 31231233112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12021133213213 - 2¹⁷ = 12021133082141 is a prime.

It is a super-2 number, since 2×12021133213213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021133213253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989698 + ... + 6321388.

It is an arithmetic number, because the mean of its divisors is an integer number (1543265325580).

Almost surely, 2^{12021133213213} is an apocalyptic number.

It is an amenable number.

12021133213213 is a deficient number, since it is larger than the sum of its proper divisors (324989391427).

12021133213213 is a wasteful number, since it uses less digits than its factorization.

12021133213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471067.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12021133213213 its reverse (31231233112021), we get a palindrome (43252366325234).

The spelling of 12021133213213 in words is "twelve trillion, twenty-one billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred thirteen".